A) \[\text{Ca}{{\left( \text{HC}{{\text{O}}_{\text{3}}} \right)}_{\text{2}}}\]
B) \[\text{CaC}{{\text{O}}_{3}}\]
C) \[\text{NaHC}{{\text{O}}_{\text{3}}}\]
D) \[\text{N}{{\text{a}}_{\text{2}}}\text{C}{{\text{O}}_{\text{3}}}\]
Correct Answer: B
Solution :
\[\frac{60}{2}={{30}^{\circ }}\] \[MP={{m}_{e}}\times {{m}_{0}}\] \[{{M}_{e}}=1+\frac{D}{{{f}_{0}}}\] \[MP={{m}_{0}}\left[ 1+\frac{D}{{{f}_{e}}} \right]\]
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